An individual with achlorhydria (lack of or low gastric acid in stomach) may have abdominal pain due to difficulty digesting food, loose bowel movements & problems due to poor absorption of nutrients.
Foods for Good Digestion # 8: Cod liver oil. Cod liver oil is loaded with vitamin A and vitamin D. The presence of these vitamins is essential to keep the digestive tract healthy and also prevents in the development of various digestive problems in the GI tract.
Oats, brown rice, corn, rye, kidney beans and lentils are all good foods to consume. Diets high in refined starch and refined sugar may increase the risk of stomach cancer and bowel cancer. Meat and bowel cancer There is now convincing scientific evidence that eating processed meat increases bowel cancer risk.